Chemical composition(%)

Si

Fe

Cu

Mn

Mg

Cr

Zn

Ti

Al

≤ 0.25

≤ 0.40

≤ 0.10

0.05-0.20

4.5-5.5

0.05-0.20

≤ 0.10

0.06-0.20

bal.

Mechanical properties of the weld metal

Melting temperature

Conductivity

Density

Thensile strength

Yield strength

Elongation

574-638℃

29%IACS

2.64g/mm²

250-300Mpa

120-160Mpa

15-25%

Properties And Usage

The product is an aluminum alloy welding wire containing 5% of magnesium, and is a general-purpose welding material with a wide application, which is suitable for welding or overlaying the cast-forged aluminum alloy with 5% magnesium, has high strength, good forging property and good corrosion resistance. The product can also provide good color matching for the welding of the anodized aluminum. The invention is applied to the sports equipment, the locomotive carriage, the chemical pressure vessel, the engineering production, the shipbuilding, the aviation and the like of a bicycle, an aluminum scooter and the like.